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【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4CB9850771E9A7BE1CF6E660F3A5C016.png title=10.png alt=10.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/E1A8D7479D256C126AB136917F176844.png title=10-1.png alt=10-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/F102C122EB795CEFF71CA2C76D10A2E7.png title=10-2.png alt=10-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/1F392940CF090990673A92AA170C3880.png title=10-3.png alt=10-3.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/57D5274DECC6B63643831BD372A5247A.png title=10-4.png alt=10-4.png/>
【单选题】
直线<img src="20190809/1565320469784241.png" title="1565320469784241.png" alt="图片33.png"/>的斜率( )

<img class="kfformula" src="20190809/1565320507335017.png" data-latex="\frac {1} {2}"/>
<img class="kfformula" src="20190809/1565320507148737.png" data-latex="-\frac {1} {2}"/>
<img class="kfformula" src="20190809/1565320507128594.png" data-latex="2"/>
<img class="kfformula" src="20190809/1565320507871509.png" data-latex="-2"/>
【单选题】
<img src="20190730/1564475140766082.png" title="1564475140766082.png" alt="图片78.png"/>的根式形式是( )

<img src="20190730/1564475169828406.png" title="1564475169828406.png" alt="图片79.png"/>
<img src="20190730/1564475177512856.png" title="1564475177512856.png" alt="图片80.png"/>
<img src="20190730/1564475188199139.png" title="1564475188199139.png" alt="图片82.png"/>
<img src="20190730/1564475183568179.png" title="1564475183568179.png" alt="图片81.png"/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/00C74E6FE6B7F185CF115B81DCFEDB4A.png title=10.png alt=10.png/>

正确
错误
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/8A1C76654468B56AF7643D9BCD1F1EAF.png title=10.png alt=10.png/>

正确
错误
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/4C806388D0C9E5335B748F9509AE2141.png title=10.png alt=10.png/>

正确
错误
【单选题】
<img src="20190730/1564475370927962.png" title="1564475370927962.png" alt="图片83.png"/>等于()

<img class="kfformula" src="20190730/1564475500417727.png" data-latex="-\frac {1} {5}" width="95" height="53"/>
<img class="kfformula" src="20190730/1564475432374250.png" data-latex="5"/>
<img class="kfformula" src="20190730/1564475432591960.png" data-latex="\frac {1} {5}" width="66" height="53"/>
<img class="kfformula" src="20190730/1564475432400386.png" data-latex="-5"/>
【单选题】
若将图示三铰钢架中AC杆上的力偶移至BC杆上,则A、B、C处的约束力( )。<img src="20200804/1596521756248226.png" title="1596521756248226.png" alt="图片3.png"/>

都不改变
仅C处改变
仅C处不变
都改变
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/014054CEFE00BE1AF139EDD273AEC37D.png title=10.png alt=10.png/>

正确
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/46371AC9656CCBCDE75D4732FDAF3336.png title=QQ图片20160108174303.png alt=QQ图片20160108174303.png/><img src=https://huaweicloudobs.ahjxjy.cn/D21D396B38AA2D3311B32DFF3B429B81.png title=QQ图片20160108174314.png alt=QQ图片20160108174314.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/078683216D2137B6C6787C47CF752A08.png title=QQ图片20160108174326.png alt=QQ图片20160108174326.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/088A43BE148E0F9BA5CB6DBECC6C83A2.png title=QQ图片20160108174336.png alt=QQ图片20160108174336.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/06E8BAAD1ECEC250DA5ABDFFBAEA1A82.png title=QQ图片20160108174346.png alt=QQ图片20160108174346.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/2BA64BD0346C9F9EED009C9A82FCA0A0.png title=QQ图片20160108174356.png alt=QQ图片20160108174356.png/>